sparc: Annotate of_device_id arrays with const or __initdata.

As suggested by Stephen Rothwell.

Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc64/kernel/chmc.c b/arch/sparc64/kernel/chmc.c
index 3e14952..2ed4010 100644
--- a/arch/sparc64/kernel/chmc.c
+++ b/arch/sparc64/kernel/chmc.c
@@ -801,7 +801,7 @@
 	return 0;
 }
 
-static struct of_device_id us3mc_match[] = {
+static const struct of_device_id us3mc_match[] = {
 	{
 		.name = "memory-controller",
 	},